Contents

.theprodukkt have developed .kkrieger since mid-2002, using their tool .werkkzeug (from Werkzeug, German for tool). They used an unreleased version of .werkkzeug called .werkkzeug3. The source code of .kkrieger and .werkkzeug3 was made available by the group in 2014, either under the BSD license or as public domain.[1]

.kkrieger makes extensive use of procedural generation methods. Textures are stored via their creation history instead of a per-pixel basis, thus only requiring the history data and the generator code to be compiled into the executable, producing a relatively small file size. Meshes are created from basic solids such as boxes and cylinders, which are then deformed to achieve the desired shape - essentially a special way of box modeling. These two generation processes account for the extensive loading time of the game — all assets of the gameplay are reproduced during the loading phase.

The entire game uses only 97,280 bytes of disk space. In contrast, most contemporary first-person shooters filled one or more CDs or DVDs.[2] According to the developers, .kkrieger itself would take up around 200–300 MB of space if it had been stored the conventional way.[citation needed]

The game music and sounds are produced by a multifunctional synthesizer called V2, which is fed a continuous stream of MIDI data. The synthesizer then produces the music in real time.

The game won two German game developer prizes at the Deutscher Entwicklerpreis in 2006, in Innovation and Advancement.[3]

Gaming website Acid-Play gave the game 2/5 stars and a mixed review, mainly praising the game's file size, calling it "not a featureless game, but one whose limitations break barriers in terms of what can be done" and ultimately stating that "you’ll never find a game which has this much and comes in such a small package."[4]

^A single CD holds up to 700MB — over 7,000 times .kkrieger's size. Unreal Tournament 2004 for example, which typically comes on DVD, requires more than five gigabytes, which is more than 50,000 times the disk space in comparison.

1.
Video game
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A video game is an electronic game that involves interaction with a user interface to generate visual feedback on a video device such as a TV screen or computer monitor. The word video in video game referred to a raster display device. Some theorists categorize video games as an art form, but this designation is controversial, the electronic systems used to play video games are known as platforms, examples of these are personal computers and video game consoles. These platforms range from large mainframe computers to small handheld computing devices, the input device used for games, the game controller, varies across platforms. Common controllers include gamepads, joysticks, mouse devices, keyboards, the touchscreens of mobile devices, and buttons, or even, with the Kinect sensor, a persons hands and body. Players typically view the game on a screen or television or computer monitor, or sometimes on virtual reality head-mounted display goggles. There are often game sound effects, music and, in the 2010s, some games in the 2000s include haptic, vibration-creating effects, force feedback peripherals and virtual reality headsets. In the 2010s, the game industry is of increasing commercial importance, with growth driven particularly by the emerging Asian markets and mobile games. As of 2015, video games generated sales of USD74 billion annually worldwide, early games used interactive electronic devices with various display formats. The earliest example is from 1947—a Cathode ray tube Amusement Device was filed for a patent on 25 January 1947, by Thomas T. Goldsmith Jr. and Estle Ray Mann, and issued on 14 December 1948, as U. S. Written by MIT students Martin Graetz, Steve Russell, and Wayne Wiitanens on a DEC PDP-1 computer in 1961, and the hit ping pong-style Pong, used the DEC PDP-1s vector display to have two spaceships battle each other. In 1971, Computer Space, created by Nolan Bushnell and Ted Dabney, was the first commercially sold and it used a black-and-white television for its display, and the computer system was made of 74 series TTL chips. The game was featured in the 1973 science fiction film Soylent Green, Computer Space was followed in 1972 by the Magnavox Odyssey, the first home console. Modeled after a late 1960s prototype console developed by Ralph H. Baer called the Brown Box and these were followed by two versions of Ataris Pong, an arcade version in 1972 and a home version in 1975 that dramatically increased video game popularity. The commercial success of Pong led numerous other companies to develop Pong clones and their own systems, the game inspired arcade machines to become prevalent in mainstream locations such as shopping malls, traditional storefronts, restaurants, and convenience stores. The game also became the subject of articles and stories on television and in newspapers and magazines. Space Invaders was soon licensed for the Atari VCS, becoming the first killer app, the term platform refers to the specific combination of electronic components or computer hardware which, in conjunction with software, allows a video game to operate. The term system is commonly used

2.
Germany
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Germany, officially the Federal Republic of Germany, is a federal parliamentary republic in central-western Europe. It includes 16 constituent states, covers an area of 357,021 square kilometres, with about 82 million inhabitants, Germany is the most populous member state of the European Union. After the United States, it is the second most popular destination in the world. Germanys capital and largest metropolis is Berlin, while its largest conurbation is the Ruhr, other major cities include Hamburg, Munich, Cologne, Frankfurt, Stuttgart, Düsseldorf and Leipzig. Various Germanic tribes have inhabited the northern parts of modern Germany since classical antiquity, a region named Germania was documented before 100 AD. During the Migration Period the Germanic tribes expanded southward, beginning in the 10th century, German territories formed a central part of the Holy Roman Empire. During the 16th century, northern German regions became the centre of the Protestant Reformation, in 1871, Germany became a nation state when most of the German states unified into the Prussian-dominated German Empire. After World War I and the German Revolution of 1918–1919, the Empire was replaced by the parliamentary Weimar Republic, the establishment of the national socialist dictatorship in 1933 led to World War II and the Holocaust. After a period of Allied occupation, two German states were founded, the Federal Republic of Germany and the German Democratic Republic, in 1990, the country was reunified. In the 21st century, Germany is a power and has the worlds fourth-largest economy by nominal GDP. As a global leader in industrial and technological sectors, it is both the worlds third-largest exporter and importer of goods. Germany is a country with a very high standard of living sustained by a skilled. It upholds a social security and universal health system, environmental protection. Germany was a member of the European Economic Community in 1957. It is part of the Schengen Area, and became a co-founder of the Eurozone in 1999, Germany is a member of the United Nations, NATO, the G8, the G20, and the OECD. The national military expenditure is the 9th highest in the world, the English word Germany derives from the Latin Germania, which came into use after Julius Caesar adopted it for the peoples east of the Rhine. This in turn descends from Proto-Germanic *þiudiskaz popular, derived from *þeudō, descended from Proto-Indo-European *tewtéh₂- people, the discovery of the Mauer 1 mandible shows that ancient humans were present in Germany at least 600,000 years ago. The oldest complete hunting weapons found anywhere in the world were discovered in a mine in Schöningen where three 380, 000-year-old wooden javelins were unearthed

3.
Compact disc
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Compact disc is a digital optical disc data storage format released in 1982 and co-developed by Philips and Sony. The format was developed to store and play only sound recordings but was later adapted for storage of data. The first commercially available Audio CD player, the Sony CDP-101, was released October 1982 in Japan, standard CDs have a diameter of 120 millimetres and can hold up to about 80 minutes of uncompressed audio or about 700 MiB of data. The Mini CD has various diameters ranging from 60 to 80 millimetres, they are used for CD singles, storing up to 24 minutes of audio. At the time of the introduction in 1982, a CD could store much more data than a personal computer hard drive. By 2010, hard drives commonly offered as much space as a thousand CDs. In 2004, worldwide sales of audio CDs, CD-ROMs and CD-Rs reached about 30 billion discs, by 2007,200 billion CDs had been sold worldwide. In 2014, revenues from digital music services matched those from physical format sales for the first time. American inventor James T. Russell has been credited with inventing the first system to record information on an optical transparent foil that is lit from behind by a high-power halogen lamp. Russells patent application was first filed in 1966, and he was granted a patent in 1970, following litigation, Sony and Philips licensed Russells patents in the 1980s. The compact disc is an evolution of LaserDisc technology, where a laser beam is used that enables the high information density required for high-quality digital audio signals. Prototypes were developed by Philips and Sony independently in the late 1970s, although originally dismissed by Philips Research management as a trivial pursuit, the CD became the primary focus for Philips as the LaserDisc format struggled. In 1979, Sony and Philips set up a joint task force of engineers to design a new audio disc. After a year of experimentation and discussion, the Red Book CD-DA standard was published in 1980, after their commercial release in 1982, compact discs and their players were extremely popular. Despite costing up to $1,000, over 400,000 CD players were sold in the United States between 1983 and 1984, by 1988 CD sales in the United States surpassed those of vinyl LPs, and by 1992 CD sales surpassed those of prerecorded music cassette tapes. The success of the disc has been credited to the cooperation between Philips and Sony, who came together to agree upon and develop compatible hardware. The unified design of the disc allowed consumers to purchase any disc or player from any company. In 1974, L. However, due to the performance of the analog format

4.
DVD
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DVD is a digital optical disc storage format invented and developed by Philips, Sony, Toshiba, and Panasonic in 1995. The medium can store any kind of data and is widely used for software. DVDs offer higher capacity than compact discs while having the same dimensions. Pre-recorded DVDs are mass-produced using molding machines that physically stamp data onto the DVD, such discs are a form of DVD-ROM because data can only be read and not written or erased. Blank recordable DVD discs can be recorded using a DVD recorder. Rewritable DVDs can be recorded and erased many times, DVDs containing other types of information may be referred to as DVD data discs. The OED also states that in 1995, The companies said the name of the format will simply be DVD. Toshiba had been using the name ‘digital video disk’, but that was switched to ‘digital versatile disk’ after computer companies complained that it left out their applications, Digital versatile disc is the explanation provided in a DVD Forum Primer from 2000 and in the DVD Forums mission statement. There were several formats developed for recording video on optical discs before the DVD, Optical recording technology was invented by David Paul Gregg and James Russell in 1958 and first patented in 1961. A consumer optical disc data format known as LaserDisc was developed in the United States and it used much larger discs than the later formats. CD Video used analog video encoding on optical discs matching the established standard 120 mm size of audio CDs, Video CD became one of the first formats for distributing digitally encoded films in this format, in 1993. In the same year, two new optical disc formats were being developed. By the time of the launches for both formats in January 1995, the MMCD nomenclature had been dropped, and Philips and Sony were referring to their format as Digital Video Disc. Representatives from the SD camp asked IBM for advice on the system to use for their disc. Alan E. Bell, a researcher from IBMs Almaden Research Center, got that request and this group was referred to as the Technical Working Group, or TWG. On August 14,1995, an ad hoc group formed from five computer companies issued a release stating that they would only accept a single format. The TWG voted to both formats unless the two camps agreed on a single, converged standard. They recruited Lou Gerstner, president of IBM, to pressure the executives of the warring factions, as a result, the DVD specification provided a storage capacity of 4.7 GB for a single-layered, single-sided disc and 8.5 GB for a dual-layered, single-sided disc

5.
MIDI
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A single MIDI link can carry up to sixteen channels of information, each of which can be routed to a separate device. These messages are sent via a MIDI cable to other devices where they control sound generation, a simple example of a MIDI setup is the use of a MIDI controller such as an electronic musical keyboard to trigger sounds created by a sound module. This MIDI data can also be recorded into a hardware or software device called a sequencer, advantages of MIDI include compactness, ease of modification and manipulation and a wide choice of electronic instruments and synthesizer or digitally-sampled sounds. MIDI technology was standardized in 1983 by a panel of industry representatives. In June 1981, Roland founder Ikutaro Kakehashi proposed the idea of standardization to Oberheim Electronics founder Tom Oberheim, in October 1981, Kakehashi, Oberheim and Smith discussed the idea with representatives from Yamaha, Korg and Kawai. Smith proposed this standard at the Audio Engineering Society show in November 1981, MIDIs development was announced to the public by Robert Moog, in the October 1982 edition of Keyboard magazine. By the time of the January 1983 Winter NAMM Show, Smith was able to demonstrate a MIDI connection between his Prophet 600 analog synthesizer and a Roland JP-6, the MIDI Specification was published in August 1983. The MIDI standard was unveiled by Ikutaro Kakehashi and Dave Smith, MIDIs appeal was originally limited to professional musicians and record producers who wanted to use electronic instruments in the production of popular music. The standard allowed different instruments to speak with other and with computers. This interoperability allowed one device to be controlled from another, which reduced the amount of hardware musicians needed to own, MIDIs introduction coincided with the dawn of the personal computer era and the introductions of samplers and digital synthesizers. The creative possibilities brought about by MIDI technology have been credited as having helped to revive the industry in the 1980s. MIDI introduced many capabilities which transformed the way musicians work, MIDI sequencing made it possible for a user with no notation skills to build complex arrangements. A musical act with as few as one or two members, each operating multiple MIDI-enabled devices, could deliver a performance which sounds similar to that of a larger group of musicians. By performing preproduction in an environment, an artist can reduce recording costs by arriving at a recording studio with a song that is already partially completed and worked out. Educational technology enabled by MIDI has transformed music education and those new to the subject of MIDI might confuse it with digital audio. MIDI symbolically represents a note, whereas digital audio represents the sound produced by the note, MIDI was invented so that musical instruments could communicate with each other and so that one instrument can control another. Analog synthesizers that have no digital component and were built prior to MIDIs development can be retrofit with kits that convert MIDI messages into analog control voltages. When a note is played on a MIDI instrument, it generates a signal that can be used to trigger a note on another instrument

6.
Internet Archive
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The Internet Archive is a San Francisco–based nonprofit digital library with the stated mission of universal access to all knowledge. As of October 2016, its collection topped 15 petabytes, in addition to its archiving function, the Archive is an activist organization, advocating for a free and open Internet. Its web archive, the Wayback Machine, contains over 150 billion web captures, the Archive also oversees one of the worlds largest book digitization projects. Founded by Brewster Kahle in May 1996, the Archive is a 501 nonprofit operating in the United States. It has a budget of $10 million, derived from a variety of sources, revenue from its Web crawling services, various partnerships, grants, donations. Its headquarters are in San Francisco, California, where about 30 of its 200 employees work, Most of its staff work in its book-scanning centers. The Archive has data centers in three Californian cities, San Francisco, Redwood City, and Richmond, the Archive is a member of the International Internet Preservation Consortium and was officially designated as a library by the State of California in 2007. Brewster Kahle founded the Archive in 1996 at around the time that he began the for-profit web crawling company Alexa Internet. In October 1996, the Internet Archive had begun to archive and preserve the World Wide Web in large quantities, the archived content wasnt available to the general public until 2001, when it developed the Wayback Machine. In late 1999, the Archive expanded its collections beyond the Web archive, Now the Internet Archive includes texts, audio, moving images, and software. It hosts a number of projects, the NASA Images Archive, the contract crawling service Archive-It. According to its web site, Most societies place importance on preserving artifacts of their culture, without such artifacts, civilization has no memory and no mechanism to learn from its successes and failures. Our culture now produces more and more artifacts in digital form, the Archives mission is to help preserve those artifacts and create an Internet library for researchers, historians, and scholars. In August 2012, the Archive announced that it has added BitTorrent to its file download options for over 1.3 million existing files, on November 6,2013, the Internet Archives headquarters in San Franciscos Richmond District caught fire, destroying equipment and damaging some nearby apartments. The nonprofit Archive sought donations to cover the estimated $600,000 in damage, in November 2016, Kahle announced that the Internet Archive was building the Internet Archive of Canada, a copy of the archive to be based somewhere in the country of Canada. The announcement received widespread coverage due to the implication that the decision to build an archive in a foreign country was because of the upcoming presidency of Donald Trump. Kahle was quoted as saying that on November 9th in America and it was a firm reminder that institutions like ours, built for the long-term, need to design for change. For us, it means keeping our cultural materials safe, private and it means preparing for a Web that may face greater restrictions

7.
Breakpoint (demoparty)
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Breakpoint was a German demoscene party. From 2003 to 2010, it took place annually at Easter in Bingen, Breakpoint was the successor to the legendary Mekka & Symposium. With over 1000 visitors, it was the worlds biggest pure demoscene-party, attracting demosceners from not only Germany, the party was also the traditional host of the Scene. org Awards ceremony. The concept of Breakpoint was born in late 2002 when internal tensions within the Mekka & Symposium organizing team made another M&S party impossible. Part of the organizing team teamed up with organizers of other German demo parties like Dialogos, Evoke and the Ultimate Meeting. The location was changed, from the city of Fallingbostel to Bingen. The party place was decided to be a military depot out at the city borders. Also, ATI was sponsoring a flight for willing visitors over the hills of the Rhine-region. The sponsorship remained constant until 2006, a part of the visitors feared that the degrees of liberty which made Breakpoint so popular will be lost at the new location, including the symbolic bonfire. They were, however, proven wrong when the party turned out to be what most people stated as the best demoparty ever, the limited nature of freedom was proven to be enough for sceners to use the surrounding outdoors area as a chillout zone, even having a bonfire. The new location provided a solution to the heating problem. The floors inside were covered by the organizers by a layer of carpet so visitors were able to walk barefoot or sleep on the floor. The partys atmosphere was improved with both seminars for the interested and 4 live concerts of bands playing demoscene music live, the competitions also featured high quality releases and the event was voted as the Best Alltime Demoparty in the PAiN diskmag. Breakpoint 2006 promotion started almost immediately after its precursor, and many sceners who had been avoiding demoparties for years signaled that they would attend, the party organizing team created a jungle theme. The party place was adorned with torches, rocks, skeletons and vines, doors were surrounded with totem pole-like ornaments, speaker stands, the party theme revolved around sceners losing their scene spirit and fighting their ways in competitions to retrieve and free them. The event featured the annual Scene. org Awards ceremony in a more formal and ceremonial setting. Breakpoint 2007 lost one of its sponsors, ATi, as a result of their merger with AMD. To keep a balanced budget, the decided to not only raise the entrance fee to 60 Euros

8.
First-person shooter
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The first-person shooter shares common traits with other shooter games, which in turn fall under the heading action game. From the genres inception, advanced 3D or pseudo-3D graphics have challenged hardware development, the first-person shooter has since been traced as far back as Maze War, development of which began in 1973, and 1974s Spasim. 1998s Half-Life—along with its 2004 sequel Half-Life 2—enhanced the narrative and puzzle elements, in 1999, Half-Lifes mod Counter-Strike was released and, together with Doom, is perhaps one of the most influential first-person shooters. GoldenEye 007 was a landmark first-person shooter for home consoles, while the Halo series heightened the consoles commercial and critical appeal as a platform for first-person shooter titles. In the 21st century, the shooter is the most commercially viable video game genre. Several first-person shooters have been popular games for eSports and competitive gaming competitions as well, first-person shooters are a type of three-dimensional shooter game, featuring a first-person point of view with which the player sees the action through the eyes of the player character. They are unlike third-person shooters, in which the player can see the character they are controlling, the primary design element is combat, mainly involving firearms. A more important key difference is that first-person light-gun shooters like Virtua Cop often feature on-rails movement, the first-person shooter may be considered a distinct genre in itself, or a type of shooter game, in turn a subgenre of the wider action game genre. Following the release of Doom in 1993, games in this style were commonly termed Doom clones, in time this term has largely been replaced by first-person shooter. Wolfenstein 3D, released in 1992, the year before Doom, has credited with inventing the genre. There are occasional disagreements regarding the design elements which constitute a first-person shooter. For example, Deus Ex or BioShock may be considered as first-person shooters, some commentators extend the definition to include combat flight simulators where the cockpit or vehicle takes place of the hands and weapons. Like most shooter games, first-person shooters involve an avatar, one or more ranged weapons, and a varying number of enemies. Because they take place in a 3D environment, these tend to be somewhat more realistic than 2D shooter games. First-person shooters played on computers are most often controlled with a combination of a keyboard. This system has claimed as superior to that found in console games. It is common to display the characters hands and weaponry in the view, with a head-up display showing health. Often, it is possible to overlay a map of the surrounding area, first-person shooters often focus on action gameplay, with fast-paced and bloody firefights, though some place a greater emphasis on narrative, problem-solving and logic puzzles

9.
Game engine
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A game engine is a software framework designed for the creation and development of video games. Developers use them to games for consoles, mobile devices. The process of development is often economized, in large part, by reusing/adapting the same game engine to create different games. In many cases game engines provide a suite of development tools in addition to reusable software components. These tools are provided in an integrated development environment to enable simplified. Game engine developers attempt to pre-invent the wheel by developing robust software suites which include many elements a game developer may need to build a game, most game engine suites provide facilities that ease development, such as graphics, sound, physics and AI functions. Gamebryo, JMonkey Engine and RenderWare are such widely used middleware programs, however extensibility is achieved, it remains a high priority for game engines due to the wide variety of uses for which they are applied. Some game engines only provide real-time 3D rendering capabilities instead of the range of functionality needed by games. These engines rely upon the developer to implement the rest of this functionality or assemble it from other game middleware components. These types of engines are referred to as a graphics engine, rendering engine. This terminology is used as many full-featured 3D game engines are referred to simply as 3D engines. A few examples of engines are, Crystal Space, Genesis3D, Irrlicht, OGRE, RealmForge, Truevision3D. As technology ages, the components of an engine may become outdated or insufficient for the requirements of a given project. Since the complexity of programming a new engine may result in unwanted delays. Such a framework is composed of a multitude of different components. The actual game logic has to be implemented by some algorithms and it is distinct from any rendering, sound or input work. The rendering engine generates 3D animated graphics by the chosen method, before hardware-accelerated 3D graphics, software renderers had been used. Game engines can be written in any programming language like C++, C or Java, though language is structurally different

10.
Procedural generation
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In computing, procedural generation is a method of creating data algorithmically as opposed to manually. In computer graphics, it is called random generation and is commonly used to create textures. In video games, it is used to create large amounts of content in a game. Advantages of procedural generation include smaller sizes, larger amounts of content. The term procedural refers to the process computes an particular function. Fractals are geometric patterns which can often be generated procedurally, commonplace procedural content includes textures and meshes. Sound is often also procedurally generated, and has applications in speech synthesis as well as music. It has been used to create compositions in various genres of music by artists such as Brian Eno who popularized the term generative music. While software developers have applied procedural generation techniques for years, few products have employed this approach extensively, soldier of Fortune from Raven Software uses simple routines to detail enemy models, while its sequel featured a randomly-generated level mode. Avalanche Studios employed procedural generation to create a large and varied group of detailed tropical islands for Just Cause, no Mans Sky, a game developed by games studio Hello Games, is all based upon procedurally generated elements. The modern demoscene uses procedural generation to package a deal of audiovisual content into relatively small programs. The procedural generation would define rooms, hallways, monsters, the earliest graphical computer games were severely limited by memory constraints. This forced content, such as maps, to be generated algorithmically on the fly, there simply was not enough space to store a large amount of premade levels and artwork. Pseudorandom number generators were used with predefined seed values in order to create very large game worlds that appeared to be premade. Perhaps the first game to use a seed to generate the world is Richard Garriotts Akalabeth, by using the same seed number, the Sentinel supposedly had 10,000 different levels stored in only 48 and 64 kilobytes. An extreme case was Elite, which was planned to contain a total of 248 galaxies with 256 solar systems each. However, the publisher was afraid such a gigantic universe would cause disbelief in players. As computer hardware advanced and CDs became able to store thousands of more data than was possible in the early 80s

MIDI (short for Musical Instrument Digital Interface) is a technical standard that describes a communications …

MIDI allows multiple instruments to be played from a single controller (often a keyboard, as pictured here), which makes stage setups much more portable. This system fits into a single rack case, but prior to the advent of MIDI, it would have required four separate full-size keyboard instruments, plus outboard mixing and effects units.

MIDI music sequencers

MIDI connectors and a MIDI cable.

Two-octave MIDI controllers are popular for use with laptop computers, due to their portability. This unit provides a variety of real-time controllers, which can manipulate various sound design parameters of computer-based or standalone hardware instruments, effects, mixers and recording devices.

GitHub is a web-based Git version control repository hosting service. It is mostly used for computer code. It offers …

The shading of the map illustrates the number of users as a proportion of each country’s Internet population. The circular charts surrounding the two hemispheres depict the total number of GitHub users (left) and commits (right) per country.

In computing, source code is any collection of computer instructions, possibly with comments, written using a …

A more complex Java source code example. Written in object-oriented programming style, it demonstrates boilerplate code. With prologue comments indicated in red, inline comments indicated in green, and program statements indicated in blue.